Ответ:
х-1 8/9+3 7/9=4 4/9
х-17/9+3 7/9=4 4/9
х-17/9+34/9=40/9
х+17/9=40/9
х=40/9-17/9
х=23/9
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Ответ:
х-1 8/9+3 7/9=4 4/9
х-17/9+3 7/9=4 4/9
х-17/9+34/9=40/9
х+17/9=40/9
х=40/9-17/9
х=23/9